top of page



How to Judge Whether the AC Is Deficient in Fluorine?
How to Judge Whether the AC Is Deficient in Fluorine? The cooling effect becomes worse. Frost happens.
Kai Zhang
Dec 18, 20242 min read


How Often to Replace AC Refrigerant? 1 Year? The Truth Is Here
How Often to Replace AC Refrigerant? 1 Year? The Truth Is Here.
Kai Zhang
Dec 10, 20242 min read


Split Air Conditioners OEM for Europe Customers
Sparkey provides OEM (Original Equipment Manufacturer) solutions of split Air conditioners to the unique needs of European customers.
Kai Zhang
Nov 28, 20242 min read


Difference Between Air Supply and Exhaust Outlets
Air supply and exhaust outlets serve distinct purposes in ventilation systems. They are installed in complementary positions.
Kai Zhang
Nov 18, 20242 min read


Water-cooled Chillers for Passenger Transport Center Bus Station
Sparkey provided several water-cooled chiller units for a passenger transport center bus station.
Kai Zhang
Nov 3, 20241 min read


Do Paint Rooms Need Explosion-proof ACs?
Do Paint Rooms Need Explosion-proof ACs? The answer is YES . Explosion proof air conditioning installed in paint storage warehouses and...
Kai Zhang
Oct 22, 20241 min read


Gree VRF System For Sale at Very Low Price
Due to political reasons, Kenyan customers have abandoned an order of a batch of Gree VRF. Indoor units: wall-mounted, ceiling cassette, etc
Kai Zhang
Sep 29, 20241 min read


Choose Air Conditioner or Electric Heater?
Choose Air Conditioner or Electric Heater? Let's show the answer first: Air conditioner without doubt.
Kai Zhang
Sep 22, 20242 min read


Mini VRF with Split Indoor AC for Sale at Very Low Price
Due to customer cancel the order, we are now selling a set of mini VRF at a very low price. Brand: GCHV. 2 Outdoor units (22.4kw).
Kai Zhang
Sep 19, 20241 min read


Comparison between Duct and Ductless Fresh Air System
Comparison between Duct and Ductless Fresh Air System: 1. function 2. cost 3. installation.
Kai Zhang
Sep 11, 20242 min read


Difference Between Duct AC and VRF System
Difference Between Duct AC and VRF System: Duct ac is 1 to 1 simple structure, easy installation, less cost, VRF is 1 to multi with precise.
Kai Zhang
Sep 5, 20242 min read


Difference between Single-Zone and Multi-Zone Air Conditioners
Single-zone air conditioners are ductless split type ACs with 1 outdoor unit and 1 indoor unit for a single area of the home. While Multi.
Kai Zhang
Aug 19, 20243 min read


How Many People Needed for Air Conditioning Installation
How Many People Needed for AC Installation? For Commercial HVAC Installation: 3~5 people at least.
Kai Zhang
Aug 14, 20241 min read


Installation Guide for Household Central Air Conditioning
Installation Guide for Household Central Air Conditioning: 1. On-site Positioning 2. Installation of Indoor Units 3. Installation of.
Kai Zhang
Aug 9, 20245 min read


Portable Air Conditioners for Athletes in Paris Olympics France
Portable air conditioner, mobile air conditioning fan, and split type wall mounted air conditioner for Athletes in Paris Olympics France.
Kai Zhang
Jun 23, 20242 min read


Choose Screw Chillers or Centrifugal Chillers?
screw chillers are suitable for large venues, with relatively more stable cooling capacity and energy efficiency ratio, and higher costs
Kai Zhang
Jun 15, 20242 min read


Formula for the Ratio of Internal and External Units in a VRF System
The formula for the ratio of internal and external units of VRF is: external unit power=total internal unit cooling capacity/1.3.
Kai Zhang
Jun 2, 20241 min read


Inspect and Maintenance of VRF Key Components
Inspect and Maintenance of VRF Key Components: compressor, oil separator, four way valve, electronic expansion valve, low pressure tank.
Kai Zhang
Apr 25, 20243 min read


Centralized HVAC Solutions for Houses and Villas
There are some centralized cooling and heating solutions for houses and villas: 1: Refrigerator Air Conditioner and Wall Mounted Boiler:
Kai Zhang
Apr 19, 20243 min read


Comparison Between Modular Chillers and VRFs
The comparison of the working principles and advantages of modular chiller and VRF central air conditioning.
Kai Zhang
Apr 9, 20243 min read
bottom of page
















